Finding the Fourth Proportional to 16,854.86, 23,245.71 and 12,655.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,854.86 : 23,245.71 = 12,655.82 : x
2. Step 2: Convert to fraction form
   16,854.86/23,245.71 = 12,655.82/x
3. Step 3: Cross multiply
   16,854.86x = 23,245.71 × 12,655.82
4. Step 4: Simplify right side
   16,854.86x = 294,193,521.53
5. Step 5: Solve for x
   x = 294,193,521.53/16,854.86
6. Step 6: Final answer
   x = 17,454.52